Calcium phosphate monobasic monohydrate
Calcium phosphate monobasic monohydrate (CAS: 10031-30-8), with the chemical formula Ca(H2PO4)2 · H2O and a molecular weight of 252.07 g/mol, is a key inorganic salt. It functions as a versatile chemical intermediate in various synthesis processes. This reagent-grade compound is supplied by Tech Serve Solutions for research and industrial applications where precise chemical properties are essential.
- IUPAC
- Calcium bis(dihydrogenphosphate) monohydrate,Calcium dihydrogenphosphate monohydrate,Primary calcium phosphate monohydrate

Chemical Synthesis
Serves as a source of calcium and phosphate ions in the synthesis of other inorganic compounds and specialty chemicals. It can be employed as a reactant or catalyst support in specific chemical transformations.
Laboratory Reagent
Utilised as a general laboratory reagent for analytical purposes and in the preparation of specific buffer solutions or reaction media. Its defined composition makes it suitable for experimental protocols.
Research and Development
Applied in academic and industrial R&D settings for the development of new materials or chemical processes. Its properties are valuable in exploring novel applications within inorganic chemistry.
| Molecular weight | 252.07 |
|---|---|
| Linear formula | Ca(H2PO4)2 · H2O |
| Assay | ≥85% (KT) |
| Grade | Vetec™ reagent grade |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 2 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
| Cation traces | Cd: ≤50 mg/kgCo: ≤50 mg/kgCu: ≤50 mg/kgFe: ≤50 mg/kgK: ≤100 mg/kgNa: ≤200 mg/kgNi: ≤50 mg/kgPb: ≤50 mg/kgZn: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤1000 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Calcium phosphate monobasic monohydrate used for?
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Calcium phosphate monobasic monohydrate is primarily used in chemical synthesis and as a laboratory reagent for research and development purposes.
What is the CAS number and formula for Calcium phosphate monobasic monohydrate?
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The CAS number is 10031-30-8, and the chemical formula is Ca(H2PO4)2 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Calcium phosphate monobasic monohydrate in Vetec™ reagent grade, with an assay of ≥85% (KT). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is classified as a GHS07 irritant, with signal word 'Warning' and hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment in a well-ventilated area, and follow precautionary statements P261, P305, P351, and P338.
How is Calcium phosphate monobasic monohydrate packaged and exported?
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Tech Serve Solutions expertly packages and exports chemicals globally, adhering to all relevant shipping regulations for safe transport.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the TSS website or by phone.
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